<template>
  <div class="login-page mx-auto p-3 w-330">
    <h5 class="my-4 text-center">登录到书田</h5>
    <validate-form @form-submit="onFormSubmit">
      <div class="mb-3">
        <label class="form-label">邮箱地址</label>
        <validate-input
          :rules="emailRules"
          v-model="emailVal"
          placeholder="请输入邮箱地址"
          type="text"
          ref="inputRef"
        />
      </div>
      <div class="mb-3">
        <label class="form-label">密码</label>
        <validate-input
          type="password"
          placeholder="请输入密码"
          :rules="passwordRules"
          v-model="passwordVal"
        />
      </div>
      <template #submit>
        <button type="submit" class="btn btn-primary btn-block btn-large">
          登录
        </button>
      </template>
    </validate-form>
  </div>
</template>

<script lang='ts'>
import { defineComponent, ref } from "vue"
import { useRouter } from "vue-router"
import { useStore } from 'vuex'
import ValidateInput, { RulesProp } from "../components/ValidateInput.vue"
import ValidateForm from "../components/ValidateForm.vue"
import createMessage from '../components/createMessage'

export default defineComponent({
  name: "Login",
  components: {
    ValidateInput,
    ValidateForm,
  },
  setup() {
    const store = useStore()
    const emailVal = ref("");
    const router = useRouter();
    const emailRule: RulesProp = [
      { type: "required", message: "电子邮箱地址不能为空" },
      { type: "email", message: "请输入正确的电子邮箱格式" },
    ];

    const passwordVal = ref("");
    const passwordRules: RulesProp = [
      { type: "required", message: "密码不能为空" },
    ];

    const onFormSubmit = (result: boolean) => {
      if (result) {
        const payload = {
          email: emailVal.value,
          password: passwordVal.value
        }
        store.dispatch('loginAndFetch', payload).then(() => {
          createMessage('登录成功 2秒后跳转首页', 'success')
          setTimeout(() => {
            router.push('/')
          }, 2000)
        })
      }
    };

    return {
      emailVal,
      emailRule,
      passwordVal,
      passwordRules,
      onFormSubmit,
    };
  },
});
</script>